#include <stdio.h>
int main()
{
	int x,y,z,w;
	long num = 0;
	int k = 0;
	
	for(x = 1;x < 711;x++)
	{
		for(y = 1;y < 711 - x;y++)
		{
			for(z = 1;z < 711 - x - y;z++)
			{
				w = 711 - x - y - z;
				num++;
				if((w*x*y*z) == 711000000)
				{
					k++;
					printf("第%2d：(%f,%f,%f,%f)\n",k,x/(double)100,y/(double)100,z/(double)100,w/(double)100);
				}
			}
		}
	}
	printf("组合遍历计算次数：num = %ld\n",num);
	return 0;
}